天馈系统对发射机稳定性的影响及优化策略  

The Influence of Satellite Feeder Link Systems on Transmitter Stability and Optimization Strategies

作　　者：樊鹏 FAN Peng(Shanxi Radio and Television Wireless Management Center 1125,Taiyuan 030000,China)

机构地区：[1]山西广播电视无线管理中心1125台,山西太原030000

出　　处：《电视技术》2024年第4期89-91,共3页Video Engineering

摘　　要：随着数字电视技术的发展,天馈发射系统的应用日益广泛。作为发射系统核心设备的发射机,其输出功率、频率和相位稳定性对于信号传输质量至关重要。介绍天馈系统与发射机的工作原理,分析天馈系统中天线、馈源和信号接收性能变化如何影响发射机各项参数的稳定性,提出从天馈系统优化设计、发射机本体改进、增加滤波器以及提高微波器件稳定性等方面的技术对策,旨在为改善发射机频率响应、输出功率稳定度和误码率指标,增强发射机的抗扰能力提供参考。With the development of digital television technology,the application of satellite feeder link systems is increasingly widespread.As the core equipment of the transmission system,the output power,frequency and phase stability of transmitters are crucial for signal transmission quality.This paper introduces the working principles of feeder link systems and transmitters,analyzes how the changes in antennas,feeders and signal reception performance in feeder link systems affect the stability of various transmitter parameters,and proposes technical countermeasures from aspects of feeder system optimization,transmitter improvement,adding filters and improving microwave device stability.It aims to provide references for improving the frequency response,output power stability and bit error rate of transmitters and enhancing the anti-interference ability of transmitters.

关 键 词：天馈系统 发射机 微波 信号传输 

分 类 号：TN934.2[电子电信—信号与信息处理]